string strConn = @" Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = d:\userdata\userdata.mdb " ;
OleDbConnection myConn = new OleDbConnection ( strConn ) ;
myConn.Open ( ) ;
OleDbCommand cmd=new OleDbCommand("select * from datauser",myConn);
cmd.Connection = myConn;
cmd.ExecuteNonQuery();
cmd.Connection.Close();如果在表里 有个 username项,
我想其中的值给 string name ;(假设表内就一行数据)
应该怎么做?
OleDbConnection myConn = new OleDbConnection ( strConn ) ;
myConn.Open ( ) ;
OleDbCommand cmd=new OleDbCommand("select * from datauser",myConn);
cmd.Connection = myConn;
cmd.ExecuteNonQuery();
cmd.Connection.Close();如果在表里 有个 username项,
我想其中的值给 string name ;(假设表内就一行数据)
应该怎么做?
改为;
object strUserName = cmd.ExecuteScalar();
我要根据 输入的 username userpas来 找 text怎么提取呀?